US9184001B2 - Keycap, key structure and keyboard - Google Patents

Keycap, key structure and keyboard Download PDF

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Publication number
US9184001B2
US9184001B2 US14/050,343 US201314050343A US9184001B2 US 9184001 B2 US9184001 B2 US 9184001B2 US 201314050343 A US201314050343 A US 201314050343A US 9184001 B2 US9184001 B2 US 9184001B2
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US
United States
Prior art keywords
key
contact surface
shaft
main body
cushion member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US14/050,343
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English (en)
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US20150001059A1 (en
Inventor
Yin-Yu Lin
Yen-Bo Lai
Pei-Chen Lin
Shu I Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giga Byte Technology Co Ltd
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Giga Byte Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Assigned to GIGA-BYTE TECHNOLOGY CO.,LTD. reassignment GIGA-BYTE TECHNOLOGY CO.,LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, SHU I, LAI, YEN-BO, LIN, PEI-CHEN, LIN, YIN-YU
Publication of US20150001059A1 publication Critical patent/US20150001059A1/en
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Publication of US9184001B2 publication Critical patent/US9184001B2/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H01H2221/044—Elastic part on actuator or casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/08—Actuators composed of different parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/084—Actuators made at least partly of elastic foam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/09—Actuating striker on actuator part
    • H01H2233/108—Actuating striker on actuator part connected by spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/03—Two serial springs

Definitions

  • This disclosure relates to a key cap, key structure and a keyboard and, more particularly, to a key cap, a key structure with key in mechanistic model, and a keyboard with the key structures.
  • Keyboards have become the dominant peripheral device for inputting words, symbols and numbers.
  • consumer electronics or large factory machines are also equipped with key structures that allow for input in order to operate these machines.
  • Overtime keyboards have evolved in their designs and functions. For example, there are foldable keyboards, thin film keyboards, waterproof keyboards and keyboards with backlight. More common keyboards are divided into two types: mechanistic model and the thin film model.
  • the structure of keys in mechanistic model includes (1) key cap, (2) key base, and (3) a shaft.
  • the structure also includes other equipment located inside the key base such as the spring.
  • the key cap drives the shaft down producing the signal which the key represents.
  • the spring of the cap and the downward movement of the key cap produce a noise as it crashes into the key base.
  • this disclosure provides a key cap, a key structure and a keyboard with the key structure in order to solve the limitations of conventional keyboards that generate noise, limiting the uses of the keyboard to particular environments and creating inconvenience for users.
  • the key cap is adapted for coupling with a key switch.
  • the key switch includes a key base and a shaft.
  • the shaft is movably positioned on the key base.
  • the key cap includes a main body and a cushion member.
  • the main body is positioned on the shaft and is spaced apart from a contact surface of the key base. The main body is moved forward and backward relative to the key base with movement of the shaft.
  • the cushion member is positioned on one side of the main body facing the contact surface. When the main body moves to the contact surface, the cushion member abuts on the contact surface, and maintains resistance against the contact surface.
  • the key structure includes a key switch and a key cap.
  • the key switch includes a key base, a resilient member, and a shaft.
  • the key base includes a contact surface.
  • the resilient member and the shaft are located in the key base.
  • the shaft is placed on the resilient member, and is moved forward and backwards between an operating position and a releasing position relative to the key base. The shaft stays at the releasing position, and presses the resilient member while at the operating position.
  • the key cap is located on the shaft, and is spaced apart from the contact surface of the key base.
  • the key cap includes a cushion member. The cushion member is located on one side of the key cap facing the contact surface. While the shaft is located at the operating position, the cushion member abuts on the contact surface, and maintains resistance against the contact surface.
  • the keyboard includes a main board, and a plurality of key structures.
  • the main board includes a plurality of cavities.
  • the key structures are located in the said cavities.
  • Each of the key structures includes a key switch, and a key cap.
  • the key switch includes a key base, a resilient member, and a shaft.
  • the key base includes a contact surface.
  • the resilient member is positioned in the key base.
  • the shaft is positioned on the resilient member and is able to be moved forward and back between an operating position and a releasing position relative to the key base. The shaft stays at the releasing position, and presses the resilient member while at the operating position.
  • the key cap is placed on the shaft, and is spaced apart with the contact surface of the key base.
  • the key cap includes a cushion member. The cushion member is positioned at one side of the key cap facing the contact surface. When the shaft is located at the operating position, the cushion member abuts on the contact surface and maintains resilience against the contact surface.
  • a key cap with a cushion member for preventing punching or crashing from the key cap and the key base, so as to absorb the force because of the material characters of the cushion member.
  • the noise of the keyboard can be minimized, and the comfort of use can be increased, allowing the uses of these keyboards in various environments.
  • FIG. 1 is a diagram view of a keyboard in assembling situation in accordance with a first embodiment
  • FIG. 2 is an exploded diagram view of a key structure in accordance with the first embodiment
  • FIG. 3 is a diagram view of the key structure in assembling situation in accordance with the first embodiment
  • FIG. 4 is a diagram view of the key structure in operation in accordance with the first embodiment
  • FIG. 5 is a diagram view of a key structure in assembling situation in accordance with a second embodiment
  • FIG. 6 is a diagram view of the key structure in operation in accordance with the second embodiment.
  • the following two embodiments disclose a key cap 220 , a key structure 200 and a keyboard 10 in mechanistic model in accordance with the present invention.
  • FIG. 1 is a diagram view of a keyboard in assembling situation in accordance with the first embodiment.
  • FIG. 2 is an exploded diagram view of a key structure in accordance with the first embodiment.
  • the keyboard 10 is in accordance with the first embodiment and includes a main board 100 and a plurality of key structures 200 .
  • the main board 100 includes a plurality of cavities 110 .
  • Each of the key structures 200 couples to each of the cavities 110 so as to detachably engage with the main board 100 .
  • Each of the key structures 200 includes a key switch 210 and a key cap 220 .
  • the key cap 220 is detachably engaged on the key switch 210 .
  • the key switch 210 of the first embodiment includes a key base 211 , a resilient member 212 and a shaft 213 .
  • the key base 211 includes a contact surface 2111 and a space. The space is defined inside the key base 211 . An opening of the space is formed at the contact surface 2111 .
  • the resilient member 212 and the shaft 213 couple to the space of the key base 211 through the opening respectively.
  • the shaft 213 is positioned onto the resilient member 212 , or in non-pressing situation stays at a releasing position P 1 relative to the key base 211 .
  • the shaft 213 is able to press the resilient member 212 so as to move to the operating position P 2 relative to the key base 211 (as shown in FIG. 4 ).
  • the shaft 213 includes a protruding member 2131 .
  • the protruding member 2131 is defined at one side of the shaft 213 opposite to the resilient member 212 .
  • the shape of the protruding member 2131 can be designed, but should not be limited to a cylindrical or a polygon shape.
  • the protruding member 2131 is exposed out through the opening and protrudes out of the contact surface for coupling with the key cap 220 . It is notable that the shaft 213 may be moved forward and back relative to the key base 211 via the elastic force generated from the resilient member 212 .
  • the resilient member 212 in the first embodiment is a compression spring, but it should not
  • the key cap 220 includes a main body 221 and a cushion member 222 .
  • the main body 221 is made of thermoplastic materials such as polybutylece terephthalate (PBT) or polyformaldehyde (POM). Using thermoplastic materials allows for easy shaping. Furthermore, the material has good crashworthiness and wear-resisting ability.
  • PBT polybutylece terephthalate
  • POM polyformaldehyde
  • a top surface and a bottom surface opposite to the top surface are defined in the main body 221 .
  • a coupling slot 223 and a trench 224 are formed at the bottom surface of the main body 221 . More specifically, the coupling slot 223 is formed at an inner portion of a protruding part extended from the bottom surface, and the trench 224 is formed surround the outer portion of the protruding part extended from the bottom surface. In this way, a concave structure is formed at the bottom surface.
  • the coupling slot 223 in the first embodiment is a blind hole, but it should not be limited to the first embodiment.
  • the shape of the coupling slot 223 matches with the shape of the protruding member 2131 .
  • the cushion member 222 is engaged within the trench 224 .
  • the shape of the cushion member 222 matches with the shape of the trench 224 .
  • the cushion member 222 can be made out of any materials with resilience, and which can absorb the force and the noise from crashing such as foam, silicon rubber pad, rubber pad; so as to provide the main body 221 a cushioning function.
  • the engagement way of the cushion member 222 and the trench 224 can be done by agglutination or by embedment but it should not be limited to these methods alone.
  • FIG. 4 is a diagram view of the key structure in operation in accordance with the first embodiment.
  • the coupling slot 223 in the main body 221 of the key cap 220 couples onto the protruding member 2131 of the shaft 213 , tightly engaging with each other.
  • the cushion member 222 in the trench 224 of the main body faces the contact surface 2111 of the key base 211 . Therefore, when the shaft 213 stays at the releasing position P 1 , the main body 221 and the contact surface 2111 of the key base is spaced apart from each other with a distance.
  • the cushion member 222 abuts on the contact surface 2111 , and maintains resistance against the contact surface 2111 so as to absorb the force from the key cap and then provide a cushion function.
  • the key cap 220 can prevent crashing the key base 211 directly so as to avoid clicking noise or damages.
  • the shaft 213 is pressed with additional force and is moved to the operating position P 2 , and thus compresses the resilient member 212 .
  • the resilient member 212 generates an elastic force. When the extra force disappears, the shaft 213 is moved back to the releasing position P 1 with the elastic force.
  • the cushion member 222 provides the cushion function so as to prevent the main body 221 of the key cap 220 from crashing into the key base 211 directly.
  • FIG. 5 is a diagram view of a key structure in assembling situation in accordance with a second embodiment.
  • FIG. 6 is a diagram view of the key structure in operation in accordance with the second embodiment.
  • the key cap 220 , the key structure 200 and the keyboard disclosed in the second embodiment are similar with those disclosed in the first embodiment. The following description will focus on the differences.
  • the key cap 220 in accordance with the second embodiment, includes a main body 221 and a cushion member 222 .
  • the main body 221 is made of thermoplastic materials such as polybutylece terephthalate (PBT) or polyformaldehyde (POM). Thermoplastic materials are easy to shape and have good crashworthiness and wear-resisting properties.
  • PBT polybutylece terephthalate
  • POM polyformaldehyde
  • a top surface and a bottom surface opposite to the top surface are also defined in the main body 221 .
  • a coupling slot 223 and a trench 224 are formed at the bottom surface of the main body 221 . More specifically, the coupling slot 223 is a blind hole formed at an inner portion of a protruding part extended from the bottom surface. The shape of the coupling slot 223 matches with the shape of the protruding member 2131 of the shaft 213 .
  • the trench 224 is a concave structure formed around the outer portion of the protruding part extended from the bottom surface.
  • the cushion member 222 of the key cap 220 is a spring in the second embodiment.
  • One end of the cushion member 222 is engaged within the trench 224 of the main body 221 .
  • the cushion member 222 is slipped onto the outer surface of the protruding part.
  • the cushion member 222 surrounds the coupling slot 223 .
  • the other end of cushion member 222 can be against the contact surface 2111 of the key base 211 , but should not be limited.
  • the cushion member 222 a spring, is able to provide cushion function via the elastic force of the spring.
  • the disposition of the cushion member 222 can be designed in other ways.
  • one end of the cushion member 222 can be fixed on the main body 221 ; the other end of the cushion member 222 can be dangled above the contact surface 2111 of the key base.
  • the cushion function can also be provided during the process that the main body 221 of the key cap 220 is moved backward and forward relative to the key base 211 .
  • the main body 221 and the contact surface 2111 of the key base 211 are spaced apart with a distance from each other.
  • the key cap 220 is pressed downwardly with additional force, the main body 221 is moved to the contact surface 2111 and presses the shaft 213 downwardly to an operating position P 2 so as to compress the cushion member 222 to abut on the contact surface 2111 .
  • a cushion function can be provided by the cushion member 222 . Therefore, the noise from the main body 221 of the key cap 220 crashing the key base 211 directly can be prevented.
  • the resilient member 212 of the key switch 210 when the resilient member 212 of the key switch 210 is compressed by the shaft 213 , the resilient member 212 generates an elastic force. When the extra force disappears, the shaft 213 is moved back to the releasing position P 1 with the elastic force, and also the motion of the shaft 213 drives the main body 221 of the key cap 220 to be moved away from the contact surface 2111 of the key base 211 .
  • the cushion member 222 provides the cushion function so as to prevent the main body 221 of the key cap 220 from crashing the key base 211 directly.
  • the keyboard with keycaps having cushion member prevents the key cap and the key base from crashing while operating.
  • the cushion member is able to absorb the crashing force because of the materials which the cushion member made from.
  • the noise produced by pressing the keys can be significantly decreased and improve comfort of users as to meet the users' needs.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
US14/050,343 2013-06-28 2013-10-10 Keycap, key structure and keyboard Active 2034-02-08 US9184001B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TW102123304 2013-06-28
TW102123304A TW201501155A (zh) 2013-06-28 2013-06-28 鍵帽、按鍵結構及具有此按鍵結構之鍵盤
TW102123304A 2013-06-28

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US20150001059A1 US20150001059A1 (en) 2015-01-01
US9184001B2 true US9184001B2 (en) 2015-11-10

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US14/050,343 Active 2034-02-08 US9184001B2 (en) 2013-06-28 2013-10-10 Keycap, key structure and keyboard

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US (1) US9184001B2 (zh)
EP (1) EP2818979A1 (zh)
JP (1) JP5753565B2 (zh)
TW (1) TW201501155A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170221655A1 (en) * 2016-01-28 2017-08-03 Wei-Ming Wang Keyboard device
US20180337008A1 (en) * 2017-05-16 2018-11-22 Olympus Corporation Switch structure
USD916097S1 (en) * 2019-06-25 2021-04-13 Acer Incorporated Keycap having lid

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KR101558810B1 (ko) * 2014-09-22 2015-10-19 현대자동차주식회사 터치와 문지름 인식을 위한 음파 기반 사용자 인터페이스 장치 및 방법
CN105999697B (zh) * 2016-07-14 2023-07-14 歌尔科技有限公司 一种按键和一种游戏手柄
JP2019215611A (ja) * 2018-06-11 2019-12-19 レノボ・シンガポール・プライベート・リミテッド 電子機器
TWI669734B (zh) * 2018-08-10 2019-08-21 致伸科技股份有限公司 具靜音功能之鍵盤及其按鍵結構
CN109192579A (zh) * 2018-10-31 2019-01-11 歌尔科技有限公司 腕戴类设备及其按键
CN110471561B (zh) * 2019-02-21 2024-01-23 光宝电子(广州)有限公司 触控装置
KR102008522B1 (ko) * 2019-05-17 2019-08-07 양태진 저소음 키보드
CN112103118A (zh) * 2020-09-23 2020-12-18 北京汉德默兹克科技有限公司 一种键盘按键开关
CA3218781A1 (en) * 2021-05-10 2022-11-17 Wei Chuan Wang Stack key structure and balance-shaft seat thereof
CN115705973A (zh) * 2021-08-05 2023-02-17 致伸科技股份有限公司 按键
KR102446065B1 (ko) * 2021-08-11 2022-09-21 박성준 기계식 키보드 스위치
CN113963972B (zh) * 2021-10-12 2024-05-17 维沃移动通信有限公司 电子设备
CN115588588B (zh) * 2022-10-09 2023-11-07 苏州工业园区捷讯特精工模塑有限公司 一种多点卡接键盘按键及其生产设备

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2245751A1 (de) 1971-11-01 1973-05-10 Bunker Ramo Schalter
US3736397A (en) * 1970-11-04 1973-05-29 Singer Co Keyboard switch assembly with pushbutton magnetic latching structure for non-operative position
US3916360A (en) * 1974-08-09 1975-10-28 Singer Co Magnetic keyboard
US4596912A (en) * 1984-02-20 1986-06-24 Alps Electric Co., Ltd. Push-button switch
US4631378A (en) * 1983-10-31 1986-12-23 Jelco. Co., Ltd. Push button switch
US4864085A (en) * 1987-10-02 1989-09-05 Hosiden Electronics Co., Ltd. Keyboard switch
US5396038A (en) * 1992-06-15 1995-03-07 Smk Co., Ltd. Thin keyboard switch
US5512722A (en) * 1992-12-02 1996-04-30 Smk Corporation Key switch
TW284342B (zh) 1995-10-05 1996-08-21
US5821482A (en) 1996-08-23 1998-10-13 Fujitsu Takamisawa Component Limited Keyboard switch having dustproof and droplet-proof push-button
US5990435A (en) * 1997-12-05 1999-11-23 Acer Peripherals Inc. Push button switch
TWM243773U (en) 2003-09-25 2004-09-11 Leadtek Informations Co Ltd Multi-directional button buffer structure
US6853366B2 (en) * 2002-10-11 2005-02-08 James H. Bowen Articulator and optical detection cursor positioning device
EP1528583A1 (en) 2003-10-28 2005-05-04 SMK Korea Co., Ltd. Key-top
TW200641652A (en) 2005-05-27 2006-12-01 Darfon Electronics Corp Button mechanism
US20080042980A1 (en) 2005-07-27 2008-02-21 Bowen James H Telephone keypad with quad directional keys
US7855715B1 (en) * 2005-07-27 2010-12-21 James Harrison Bowen Switch with depth and lateral articulation detection using optical beam
TW201225129A (en) 2010-12-10 2012-06-16 Hon Hai Prec Ind Co Ltd Unmistakable keyboard

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5155378U (zh) * 1974-10-25 1976-04-28
JPH0237426U (zh) * 1988-09-05 1990-03-12
JPH0298607U (zh) * 1989-01-25 1990-08-06
JPH02134623U (zh) * 1989-04-14 1990-11-08
JPH06251662A (ja) * 1993-02-26 1994-09-09 Oki Electric Ind Co Ltd メンブレン接点シ−ト
AU2508000A (en) * 1999-01-15 2000-08-01 Douglas J. Rudisch Shock-absorbing keyboard and method

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736397A (en) * 1970-11-04 1973-05-29 Singer Co Keyboard switch assembly with pushbutton magnetic latching structure for non-operative position
DE2245751A1 (de) 1971-11-01 1973-05-10 Bunker Ramo Schalter
US3916360A (en) * 1974-08-09 1975-10-28 Singer Co Magnetic keyboard
US4631378A (en) * 1983-10-31 1986-12-23 Jelco. Co., Ltd. Push button switch
US4596912A (en) * 1984-02-20 1986-06-24 Alps Electric Co., Ltd. Push-button switch
US4864085A (en) * 1987-10-02 1989-09-05 Hosiden Electronics Co., Ltd. Keyboard switch
US5396038A (en) * 1992-06-15 1995-03-07 Smk Co., Ltd. Thin keyboard switch
US5512722A (en) * 1992-12-02 1996-04-30 Smk Corporation Key switch
TW284342B (zh) 1995-10-05 1996-08-21
US5821482A (en) 1996-08-23 1998-10-13 Fujitsu Takamisawa Component Limited Keyboard switch having dustproof and droplet-proof push-button
US5990435A (en) * 1997-12-05 1999-11-23 Acer Peripherals Inc. Push button switch
US6853366B2 (en) * 2002-10-11 2005-02-08 James H. Bowen Articulator and optical detection cursor positioning device
TWM243773U (en) 2003-09-25 2004-09-11 Leadtek Informations Co Ltd Multi-directional button buffer structure
EP1528583A1 (en) 2003-10-28 2005-05-04 SMK Korea Co., Ltd. Key-top
TW200641652A (en) 2005-05-27 2006-12-01 Darfon Electronics Corp Button mechanism
US20080042980A1 (en) 2005-07-27 2008-02-21 Bowen James H Telephone keypad with quad directional keys
US7855715B1 (en) * 2005-07-27 2010-12-21 James Harrison Bowen Switch with depth and lateral articulation detection using optical beam
TW201225129A (en) 2010-12-10 2012-06-16 Hon Hai Prec Ind Co Ltd Unmistakable keyboard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170221655A1 (en) * 2016-01-28 2017-08-03 Wei-Ming Wang Keyboard device
US20180337008A1 (en) * 2017-05-16 2018-11-22 Olympus Corporation Switch structure
US10438760B2 (en) * 2017-05-16 2019-10-08 Olympus Corporation Switch structure
USD916097S1 (en) * 2019-06-25 2021-04-13 Acer Incorporated Keycap having lid

Also Published As

Publication number Publication date
JP5753565B2 (ja) 2015-07-22
JP2015011698A (ja) 2015-01-19
TW201501155A (zh) 2015-01-01
EP2818979A1 (en) 2014-12-31
US20150001059A1 (en) 2015-01-01

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